今天有个公众号重试了几次一直失败，接口：https://api.weixin.qq.com/cgi-bin/material/add_material

15:19左右的几次调用返回：

{"errcode":-1,"errmsg":"system error hint: [qqa2na09920016] rid: 62270398-3ea9b91c-4444f8ce"}

{"errcode":-1,"errmsg":"system error hint: [sP3Yka0992d139] rid: 62270398-58d3f082-7185265c"}

{"errcode":-1,"errmsg":"system error hint: [VXiPxa09920022] rid: 62270398-3ad0f9fe-7b50931e"}